Dec 11 21:06:50.877 INFO checking ccqpein/random_choice against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 21:06:50.877 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 21:06:51.368 INFO [stdout] 273bab666529a1923df5ed98dad7985da134a42da6419e209d0ab096780a368c
Dec 11 21:06:51.372 INFO running `"docker" "start" "-a" "273bab666529a1923df5ed98dad7985da134a42da6419e209d0ab096780a368c"`
Dec 11 21:06:52.404 INFO [stderr] usermod: no changes
Dec 11 21:06:52.516 INFO [stderr]    Compiling serde v1.0.56
Dec 11 21:06:52.532 INFO [stderr]    Compiling serde_derive v1.0.56
Dec 11 21:07:10.939 INFO [stderr]     Checking serde_json v1.0.17
Dec 11 21:07:13.171 INFO [stderr]     Checking random_choice v0.1.0 (/source)
Dec 11 21:07:14.212 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 11 21:07:14.212 INFO [stderr]   --> src/lib.rs:10:5
Dec 11 21:07:14.212 INFO [stderr]    |
Dec 11 21:07:14.212 INFO [stderr] 10 | use std::collections::HashMap;
Dec 11 21:07:14.212 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:07:14.212 INFO [stderr]    |
Dec 11 21:07:14.212 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 21:07:14.212 INFO [stderr] 
Dec 11 21:07:14.254 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 11 21:07:14.254 INFO [stderr]   --> src/lib.rs:10:5
Dec 11 21:07:14.254 INFO [stderr]    |
Dec 11 21:07:14.254 INFO [stderr] 10 | use std::collections::HashMap;
Dec 11 21:07:14.254 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:07:14.254 INFO [stderr]    |
Dec 11 21:07:14.254 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 21:07:14.254 INFO [stderr] 
Dec 11 21:07:17.553 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.11s
Dec 11 21:07:17.558 INFO [stderr] su: No module specific data is present
Dec 11 21:07:19.017 INFO running `"docker" "inspect" "273bab666529a1923df5ed98dad7985da134a42da6419e209d0ab096780a368c"`
Dec 11 21:07:19.363 INFO running `"docker" "rm" "-f" "273bab666529a1923df5ed98dad7985da134a42da6419e209d0ab096780a368c"`
Dec 11 21:07:19.630 INFO [stdout] 273bab666529a1923df5ed98dad7985da134a42da6419e209d0ab096780a368c